3 // This is our template processor.
4 // $s is the string requiring macro substitution.
5 // $r is an array of key value pairs (search => replace)
6 // returns substituted string.
7 // WARNING: this is pretty basic, and doesn't properly handle search strings that are substrings of each other.
8 // For instance if 'test' => "foo" and 'testing' => "bar", testing could become either bar or fooing,
9 // depending on the order in which they were declared in the array.
11 require_once("include/template_processor.php");
12 require_once("include/friendica_smarty.php");
14 if(! function_exists('replace_macros')) {
16 * This is our template processor
18 * @param string|FriendicaSmarty $s the string requiring macro substitution,
19 * or an instance of FriendicaSmarty
20 * @param array $r key value pairs (search => replace)
21 * @return string substituted string
23 function replace_macros($s,$r) {
25 $stamp1 = microtime(true);
29 $t = $a->template_engine();
31 $output = $t->replace_macros($s,$r);
32 } catch (Exception $e) {
33 echo "<pre><b>".__function__."</b>: ".$e->getMessage()."</pre>"; killme();
36 $a->save_timestamp($stamp1, "rendering");
42 // random string, there are 86 characters max in text mode, 128 for hex
45 define('RANDOM_STRING_HEX', 0x00 );
46 define('RANDOM_STRING_TEXT', 0x01 );
48 if(! function_exists('random_string')) {
49 function random_string($size = 64,$type = RANDOM_STRING_HEX) {
50 // generate a bit of entropy and run it through the whirlpool
51 $s = hash('whirlpool', (string) rand() . uniqid(rand(),true) . (string) rand(),(($type == RANDOM_STRING_TEXT) ? true : false));
52 $s = (($type == RANDOM_STRING_TEXT) ? str_replace("\n","",base64url_encode($s,true)) : $s);
53 return(substr($s,0,$size));
56 if(! function_exists('notags')) {
58 * This is our primary input filter.
60 * The high bit hack only involved some old IE browser, forget which (IE5/Mac?)
61 * that had an XSS attack vector due to stripping the high-bit on an 8-bit character
62 * after cleansing, and angle chars with the high bit set could get through as markup.
64 * This is now disabled because it was interfering with some legitimate unicode sequences
65 * and hopefully there aren't a lot of those browsers left.
67 * Use this on any text input where angle chars are not valid or permitted
68 * They will be replaced with safer brackets. This may be filtered further
69 * if these are not allowed either.
71 * @param string $string Input string
72 * @return string Filtered string
74 function notags($string) {
76 return(str_replace(array("<",">"), array('[',']'), $string));
78 // High-bit filter no longer used
79 // return(str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string));
84 if(! function_exists('escape_tags')) {
86 * use this on "body" or "content" input where angle chars shouldn't be removed,
87 * and allow them to be safely displayed.
88 * @param string $string
91 function escape_tags($string) {
93 return(htmlspecialchars($string, ENT_COMPAT, 'UTF-8', false));
97 // generate a string that's random, but usually pronounceable.
98 // used to generate initial passwords
100 if(! function_exists('autoname')) {
102 * generate a string that's random, but usually pronounceable.
103 * used to generate initial passwords
107 function autoname($len) {
112 $vowels = array('a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u');
113 if(mt_rand(0,5) == 4)
131 's','sc','sh','sm','sp','st',
139 $midcons = array('ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp',
140 'nd','ng','nk','nt','rn','rp','rt');
142 $noend = array('bl', 'br', 'cl','cr','dr','fl','fr','gl','gr',
143 'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh');
145 $start = mt_rand(0,2);
153 for ($x = 0; $x < $len; $x ++) {
154 $r = mt_rand(0,count($table) - 1);
157 if($table == $vowels)
158 $table = array_merge($cons,$midcons);
164 $word = substr($word,0,$len);
166 foreach($noend as $noe) {
167 if((strlen($word) > 2) && (substr($word,-2) == $noe)) {
168 $word = substr($word,0,-1);
172 if(substr($word,-1) == 'q')
173 $word = substr($word,0,-1);
178 // escape text ($str) for XML transport
179 // returns escaped text.
181 if(! function_exists('xmlify')) {
183 * escape text ($str) for XML transport
185 * @return string Escaped text.
187 function xmlify($str) {
190 $len = mb_strlen($str);
191 for($x = 0; $x < $len; $x ++) {
192 $char = mb_substr($str,$x,1);
222 $buffer = mb_ereg_replace("&", "&", $str);
223 $buffer = mb_ereg_replace("'", "'", $buffer);
224 $buffer = mb_ereg_replace("\"", """, $buffer);
225 $buffer = mb_ereg_replace("<", "<", $buffer);
226 $buffer = mb_ereg_replace(">", ">", $buffer);
228 $buffer = trim($buffer);
232 if(! function_exists('unxmlify')) {
235 * @param string $s xml escaped text
236 * @return string unescaped text
238 function unxmlify($s) {
239 // $ret = str_replace('&','&', $s);
240 // $ret = str_replace(array('<','>','"','''),array('<','>','"',"'"),$ret);
241 $ret = mb_ereg_replace('&', '&', $s);
242 $ret = mb_ereg_replace(''', "'", $ret);
243 $ret = mb_ereg_replace('"', '"', $ret);
244 $ret = mb_ereg_replace('<', "<", $ret);
245 $ret = mb_ereg_replace('>', ">", $ret);
249 if(! function_exists('hex2bin')) {
251 * convenience wrapper, reverse the operation "bin2hex"
255 function hex2bin($s) {
256 if(! (is_string($s) && strlen($s)))
259 if(! ctype_xdigit($s)) {
263 return(pack("H*",$s));
267 if(! function_exists('paginate_data')) {
269 * Automatica pagination data.
271 * @param App $a App instance
272 * @param int $count [optional] item count (used with alt pager)
273 * @return Array data for pagination template
275 function paginate_data(&$a, $count=null) {
276 $stripped = preg_replace('/(&page=[0-9]*)/','',$a->query_string);
278 $stripped = str_replace('q=','',$stripped);
279 $stripped = trim($stripped,'/');
280 $pagenum = $a->pager['page'];
282 if (($a->page_offset != "") AND !strstr($stripped, "&offset="))
283 $stripped .= "&offset=".urlencode($a->page_offset);
285 if (!strstr($stripped, "?")) {
286 $pos = strpos($stripped, "&");
287 $stripped = substr($stripped, 0, $pos)."?".substr($stripped, $pos + 1);
290 $url = $a->get_baseurl() . '/' . $stripped;
293 function _l(&$d, $name, $url, $text, $class="") {
295 $d[$name] = array('url'=>$url, 'text'=>$text, 'class'=>$class);
298 if (!is_null($count)){
300 if($a->pager['page']>1)
301 _l($data, "prev", $url.'&page='.($a->pager['page'] - 1), t('newer'));
303 _l($data, "next", $url.'&page='.($a->pager['page'] + 1), t('older'));
306 if($a->pager['total'] > $a->pager['itemspage']) {
307 if($a->pager['page'] != 1)
308 _l($data, "prev", $url.'&page='.($a->pager['page'] - 1), t('prev'));
310 _l($data, "first", $url."&page=1", t('first'));
313 $numpages = $a->pager['total'] / $a->pager['itemspage'];
316 $numstop = $numpages;
319 $numstart = (($pagenum > 7) ? ($pagenum - 7) : 1);
320 $numstop = (($pagenum > ($numpages - 7)) ? $numpages : ($numstart + 14));
325 for($i = $numstart; $i <= $numstop; $i++){
326 if($i == $a->pager['page'])
327 _l($pages, $i, "#", $i, "current");
329 _l($pages, $i, $url."&page=$i", $i, "n");
332 if(($a->pager['total'] % $a->pager['itemspage']) != 0) {
333 if($i == $a->pager['page'])
334 _l($pages, $i, "#", $i, "current");
336 _l($pages, $i, $url."&page=$i", $i, "n");
339 $data['pages'] = $pages;
341 $lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages);
342 _l($data, "last", $url."&page=$lastpage", t('last'));
344 if(($a->pager['total'] - ($a->pager['itemspage'] * $a->pager['page'])) > 0)
345 _l($data, "next", $url."&page=".($a->pager['page'] + 1), t('next'));
353 if(! function_exists('paginate')) {
355 * Automatic pagination.
357 * To use, get the count of total items.
358 * Then call $a->set_pager_total($number_items);
359 * Optionally call $a->set_pager_itemspage($n) to the number of items to display on each page
360 * Then call paginate($a) after the end of the display loop to insert the pager block on the page
361 * (assuming there are enough items to paginate).
362 * When using with SQL, the setting LIMIT %d, %d => $a->pager['start'],$a->pager['itemspage']
363 * will limit the results to the correct items for the current page.
364 * The actual page handling is then accomplished at the application layer.
366 * @param App $a App instance
367 * @return string html for pagination #FIXME remove html
369 function paginate(&$a) {
371 $data = paginate_data($a);
372 $tpl = get_markup_template("paginate.tpl");
373 return replace_macros($tpl, array("pager" => $data));
377 if(! function_exists('alt_pager')) {
380 * @param App $a App instance
382 * @return string html for pagination #FIXME remove html
384 function alt_pager(&$a, $i) {
386 $data = paginate_data($a, $i);
387 $tpl = get_markup_template("paginate.tpl");
388 return replace_macros($tpl, array('pager' => $data));
393 if(! function_exists('expand_acl')) {
395 * Turn user/group ACLs stored as angle bracketed text into arrays
400 function expand_acl($s) {
401 // turn string array of angle-bracketed elements into numeric array
402 // e.g. "<1><2><3>" => array(1,2,3);
406 $t = str_replace('<','',$s);
407 $a = explode('>',$t);
410 $ret[] = intval($aa);
416 if(! function_exists('sanitise_acl')) {
418 * Wrap ACL elements in angle brackets for storage
419 * @param string $item
421 function sanitise_acl(&$item) {
423 $item = '<' . intval(notags(trim($item))) . '>';
429 if(! function_exists('perms2str')) {
431 * Convert an ACL array to a storable string
433 * Normally ACL permissions will be an array.
434 * We'll also allow a comma-separated string.
436 * @param string|array $p
439 function perms2str($p) {
444 $tmp = explode(',',$p);
447 array_walk($tmp,'sanitise_acl');
448 $ret = implode('',$tmp);
454 if(! function_exists('item_new_uri')) {
456 * generate a guaranteed unique (for this domain) item ID for ATOM
457 * safe from birthday paradox
459 * @param string $hostname
463 function item_new_uri($hostname,$uid) {
467 $hash = random_string();
469 $uri = "urn:X-dfrn:" . $hostname . ':' . $uid . ':' . $hash;
471 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
475 } while($dups == true);
479 // Generate a guaranteed unique photo ID.
480 // safe from birthday paradox
482 if(! function_exists('photo_new_resource')) {
484 * Generate a guaranteed unique photo ID.
485 * safe from birthday paradox
489 function photo_new_resource() {
493 $resource = hash('md5',uniqid(mt_rand(),true));
494 $r = q("SELECT `id` FROM `photo` WHERE `resource-id` = '%s' LIMIT 1",
499 } while($found == true);
504 if(! function_exists('load_view_file')) {
507 * wrapper to load a view template, checking for alternate
508 * languages before falling back to the default
510 * @global string $lang
512 * @param string $s view name
515 function load_view_file($s) {
521 if(file_exists("$d/$lang/$b")) {
522 $stamp1 = microtime(true);
523 $content = file_get_contents("$d/$lang/$b");
524 $a->save_timestamp($stamp1, "file");
528 $theme = current_theme();
530 if(file_exists("$d/theme/$theme/$b")) {
531 $stamp1 = microtime(true);
532 $content = file_get_contents("$d/theme/$theme/$b");
533 $a->save_timestamp($stamp1, "file");
537 $stamp1 = microtime(true);
538 $content = file_get_contents($s);
539 $a->save_timestamp($stamp1, "file");
543 if(! function_exists('get_intltext_template')) {
545 * load a view template, checking for alternate
546 * languages before falling back to the default
548 * @global string $lang
549 * @param string $s view path
552 function get_intltext_template($s) {
557 if($a->theme['template_engine'] === 'smarty3')
558 $engine = "/smarty3";
563 if(file_exists("view/$lang$engine/$s")) {
564 $stamp1 = microtime(true);
565 $content = file_get_contents("view/$lang$engine/$s");
566 $a->save_timestamp($stamp1, "file");
568 } elseif(file_exists("view/en$engine/$s")) {
569 $stamp1 = microtime(true);
570 $content = file_get_contents("view/en$engine/$s");
571 $a->save_timestamp($stamp1, "file");
574 $stamp1 = microtime(true);
575 $content = file_get_contents("view$engine/$s");
576 $a->save_timestamp($stamp1, "file");
581 if(! function_exists('get_markup_template')) {
586 * @param string $root
589 function get_markup_template($s, $root = '') {
590 $stamp1 = microtime(true);
593 $t = $a->template_engine();
595 $template = $t->get_template_file($s, $root);
596 } catch (Exception $e) {
597 echo "<pre><b>".__function__."</b>: ".$e->getMessage()."</pre>"; killme();
600 $a->save_timestamp($stamp1, "file");
605 if(! function_exists("get_template_file")) {
609 * @param string $filename
610 * @param string $root
613 function get_template_file($a, $filename, $root = '') {
614 $theme = current_theme();
616 // Make sure $root ends with a slash /
617 if($root !== '' && $root[strlen($root)-1] !== '/')
620 if(file_exists("{$root}view/theme/$theme/$filename"))
621 $template_file = "{$root}view/theme/$theme/$filename";
622 elseif (x($a->theme_info,"extends") && file_exists("{$root}view/theme/{$a->theme_info["extends"]}/$filename"))
623 $template_file = "{$root}view/theme/{$a->theme_info["extends"]}/$filename";
624 elseif (file_exists("{$root}/$filename"))
625 $template_file = "{$root}/$filename";
627 $template_file = "{$root}view/$filename";
629 return $template_file;
638 if(! function_exists('attribute_contains')) {
640 * for html,xml parsing - let's say you've got
641 * an attribute foobar="class1 class2 class3"
642 * and you want to find out if it contains 'class3'.
643 * you can't use a normal sub string search because you
644 * might match 'notclass3' and a regex to do the job is
645 * possible but a bit complicated.
646 * pass the attribute string as $attr and the attribute you
647 * are looking for as $s - returns true if found, otherwise false
649 * @param string $attr attribute value
650 * @param string $s string to search
651 * @return boolean True if found, False otherwise
653 function attribute_contains($attr,$s) {
654 $a = explode(' ', $attr);
655 if(count($a) && in_array($s,$a))
660 if(! function_exists('logger')) {
663 * LOGGER_NORMAL (default)
674 function logger($msg,$level = 0) {
675 // turn off logger in install mode
679 if(($a->module == 'install') || (! ($db && $db->connected))) return;
681 $debugging = get_config('system','debugging');
682 $loglevel = intval(get_config('system','loglevel'));
683 $logfile = get_config('system','logfile');
685 if((! $debugging) || (! $logfile) || ($level > $loglevel))
688 $stamp1 = microtime(true);
689 @file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $msg . "\n", FILE_APPEND);
690 $a->save_timestamp($stamp1, "file");
695 if(! function_exists('activity_match')) {
697 * Compare activity uri. Knows about activity namespace.
699 * @param string $haystack
700 * @param string $needle
703 function activity_match($haystack,$needle) {
704 if(($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle,NAMESPACE_ACTIVITY_SCHEMA)))
710 if(! function_exists('get_tags')) {
712 * Pull out all #hashtags and @person tags from $s;
713 * We also get @person@domain.com - which would make
714 * the regex quite complicated as tags can also
715 * end a sentence. So we'll run through our results
716 * and strip the period from any tags which end with one.
717 * Returns array of tags found, or empty array.
722 function get_tags($s) {
725 // ignore anything in a code block
726 $s = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$s);
728 // Force line feeds at bbtags
729 $s = str_replace(array("[", "]"), array("\n[", "]\n"), $s);
731 // ignore anything in a bbtag
732 $s = preg_replace('/\[(.*?)\]/sm','',$s);
734 // Match full names against @tags including the space between first and last
735 // We will look these up afterward to see if they are full names or not recognisable.
737 if(preg_match_all('/(@[^ \x0D\x0A,:?]+ [^ \x0D\x0A@,:?]+)([ \x0D\x0A@,:?]|$)/',$s,$match)) {
738 foreach($match[1] as $mtch) {
739 if(strstr($mtch,"]")) {
740 // we might be inside a bbcode color tag - leave it alone
743 if(substr($mtch,-1,1) === '.')
744 $ret[] = substr($mtch,0,-1);
750 // Otherwise pull out single word tags. These can be @nickname, @first_last
753 if(preg_match_all('/([@#][^ \x0D\x0A,;:?]+)([ \x0D\x0A,;:?]|$)/',$s,$match)) {
754 foreach($match[1] as $mtch) {
755 if(strstr($mtch,"]")) {
756 // we might be inside a bbcode color tag - leave it alone
759 if(substr($mtch,-1,1) === '.')
760 $mtch = substr($mtch,0,-1);
761 // ignore strictly numeric tags like #1
762 if((strpos($mtch,'#') === 0) && ctype_digit(substr($mtch,1)))
764 // try not to catch url fragments
765 if(strpos($s,$mtch) && preg_match('/[a-zA-z0-9\/]/',substr($s,strpos($s,$mtch)-1,1)))
776 if(! function_exists('qp')) {
778 * quick and dirty quoted_printable encoding
784 return str_replace ("%","=",rawurlencode($s));
789 if(! function_exists('get_mentions')) {
792 * @return string html for mentions #FIXME: remove html
794 function get_mentions($item) {
796 if(! strlen($item['tag']))
799 $arr = explode(',',$item['tag']);
800 foreach($arr as $x) {
802 if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches)) {
803 $o .= "\t\t" . '<link rel="mentioned" href="' . $matches[1] . '" />' . "\r\n";
804 $o .= "\t\t" . '<link rel="ostatus:attention" href="' . $matches[1] . '" />' . "\r\n";
810 if(! function_exists('contact_block')) {
812 * Get html for contact block.
814 * @template contact_block.tpl
815 * @hook contact_block_end (contacts=>array, output=>string)
818 function contact_block() {
822 $shown = get_pconfig($a->profile['uid'],'system','display_friend_count');
828 if((! is_array($a->profile)) || ($a->profile['hide-friends']))
830 $r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 AND `hidden` = 0 AND `archive` = 0",
831 intval($a->profile['uid'])
834 $total = intval($r[0]['total']);
837 $contacts = t('No contacts');
841 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 AND `hidden` = 0 AND `archive` = 0 ORDER BY RAND() LIMIT %d",
842 intval($a->profile['uid']),
846 $contacts = sprintf( tt('%d Contact','%d Contacts', $total),$total);
849 $micropro[] = micropro($rr,true,'mpfriend');
854 $tpl = get_markup_template('contact_block.tpl');
855 $o = replace_macros($tpl, array(
856 '$contacts' => $contacts,
857 '$nickname' => $a->profile['nickname'],
858 '$viewcontacts' => t('View Contacts'),
859 '$micropro' => $micropro,
862 $arr = array('contacts' => $r, 'output' => $o);
864 call_hooks('contact_block_end', $arr);
869 if(! function_exists('micropro')) {
872 * @param array $contact
873 * @param boolean $redirect
874 * @param string $class
875 * @param boolean $textmode
876 * @return string #FIXME: remove html
878 function micropro($contact, $redirect = false, $class = '', $textmode = false) {
881 $class = ' ' . $class;
883 $url = $contact['url'];
889 $redirect_url = $a->get_baseurl() . '/redir/' . $contact['id'];
890 if(local_user() && ($contact['uid'] == local_user()) && ($contact['network'] === 'dfrn')) {
892 $url = $redirect_url;
893 $sparkle = ' sparkle';
898 $click = ((x($contact,'click')) ? ' onclick="' . $contact['click'] . '" ' : '');
902 return '<div class="contact-block-textdiv' . $class . '"><a class="contact-block-link' . $class . $sparkle
903 . (($click) ? ' fakelink' : '') . '" '
904 . (($redir) ? ' target="redir" ' : '')
905 . (($url) ? ' href="' . $url . '"' : '') . $click
906 . '" title="' . $contact['name'] . ' [' . $contact['url'] . ']" alt="' . $contact['name']
907 . '" >'. $contact['name'] . '</a></div>' . "\r\n";
910 return '<div class="contact-block-div' . $class . '"><a class="contact-block-link' . $class . $sparkle
911 . (($click) ? ' fakelink' : '') . '" '
912 . (($redir) ? ' target="redir" ' : '')
913 . (($url) ? ' href="' . $url . '"' : '') . $click . ' ><img class="contact-block-img' . $class . $sparkle . '" src="'
914 . $contact['micro'] . '" title="' . $contact['name'] . ' [' . $contact['url'] . ']" alt="' . $contact['name']
915 . '" /></a></div>' . "\r\n";
921 if(! function_exists('search')) {
925 * @param string $s search query
926 * @param string $id html id
927 * @param string $url search url
928 * @param boolean $save show save search button
929 * @return string html for search box #FIXME: remove html
931 function search($s,$id='search-box',$url='/search',$save = false) {
933 $o = '<div id="' . $id . '">';
934 $o .= '<form action="' . $a->get_baseurl((stristr($url,'network')) ? true : false) . $url . '" method="get" >';
935 $o .= '<input type="text" name="search" id="search-text" placeholder="' . t('Search') . '" value="' . $s .'" />';
936 $o .= '<input type="submit" name="submit" id="search-submit" value="' . t('Search') . '" />';
938 $o .= '<input type="submit" name="save" id="search-save" value="' . t('Save') . '" />';
939 $o .= '</form></div>';
943 if(! function_exists('valid_email')) {
945 * Check if $x is a valid email string
950 function valid_email($x){
952 if(get_config('system','disable_email_validation'))
955 if(preg_match('/^[_a-zA-Z0-9\-\+]+(\.[_a-zA-Z0-9\-\+]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',$x))
961 if(! function_exists('linkify')) {
963 * Replace naked text hyperlink with HTML formatted hyperlink
967 function linkify($s) {
968 $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\'\%\$\!\+]*)/", ' <a href="$1" target="external-link">$1</a>', $s);
969 $s = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$s);
977 * @return array index is present tense verb
978 value is array containing past tense verb, translation of present, translation of past
979 * @hook poke_verbs pokes array
981 function get_poke_verbs() {
983 // index is present tense verb
984 // value is array containing past tense verb, translation of present, translation of past
987 'poke' => array( 'poked', t('poke'), t('poked')),
988 'ping' => array( 'pinged', t('ping'), t('pinged')),
989 'prod' => array( 'prodded', t('prod'), t('prodded')),
990 'slap' => array( 'slapped', t('slap'), t('slapped')),
991 'finger' => array( 'fingered', t('finger'), t('fingered')),
992 'rebuff' => array( 'rebuffed', t('rebuff'), t('rebuffed')),
994 call_hooks('poke_verbs', $arr);
1000 * @return array index is mood, value is translated mood
1001 * @hook mood_verbs moods array
1003 function get_mood_verbs() {
1006 'happy' => t('happy'),
1008 'mellow' => t('mellow'),
1009 'tired' => t('tired'),
1010 'perky' => t('perky'),
1011 'angry' => t('angry'),
1012 'stupefied' => t('stupified'),
1013 'puzzled' => t('puzzled'),
1014 'interested' => t('interested'),
1015 'bitter' => t('bitter'),
1016 'cheerful' => t('cheerful'),
1017 'alive' => t('alive'),
1018 'annoyed' => t('annoyed'),
1019 'anxious' => t('anxious'),
1020 'cranky' => t('cranky'),
1021 'disturbed' => t('disturbed'),
1022 'frustrated' => t('frustrated'),
1023 'motivated' => t('motivated'),
1024 'relaxed' => t('relaxed'),
1025 'surprised' => t('surprised'),
1028 call_hooks('mood_verbs', $arr);
1034 if(! function_exists('smilies')) {
1036 * Replaces text emoticons with graphical images
1038 * It is expected that this function will be called using HTML text.
1039 * We will escape text between HTML pre and code blocks from being
1042 * At a higher level, the bbcode [nosmile] tag can be used to prevent this
1043 * function from being executed by the prepare_text() routine when preparing
1044 * bbcode source for HTML display
1047 * @param boolean $sample
1049 * @hook smilie ('texts' => smilies texts array, 'icons' => smilies html array, 'string' => $s)
1051 function smilies($s, $sample = false) {
1054 if(intval(get_config('system','no_smilies'))
1055 || (local_user() && intval(get_pconfig(local_user(),'system','no_smilies'))))
1058 $s = preg_replace_callback('/<pre>(.*?)<\/pre>/ism','smile_encode',$s);
1059 $s = preg_replace_callback('/<code>(.*?)<\/code>/ism','smile_encode',$s);
1100 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />',
1101 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="</3" />',
1102 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="<\\3" />',
1103 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":-)" />',
1104 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-wink.gif" alt=";-)" />',
1105 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":-(" />',
1106 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-P" />',
1107 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-p" />',
1108 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />',
1109 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />',
1110 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-x" />',
1111 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-X" />',
1112 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-laughing.gif" alt=":-D" />',
1113 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-|" />',
1114 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-O" />',
1115 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt=":-O" />',
1116 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-thumbsup.gif" alt="\\o/" />',
1117 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="o.O" />',
1118 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="O.o" />',
1119 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="o_O" />',
1120 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="O_o" />',
1121 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-cry.gif" alt=":\'(" />',
1122 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-foot-in-mouth.gif" alt=":-!" />',
1123 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-undecided.gif" alt=":-/" />',
1124 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-embarassed.gif" alt=":-[" />',
1125 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-cool.gif" alt="8-)" />',
1126 '<img class="smiley" src="' . $a->get_baseurl() . '/images/beer_mug.gif" alt=":beer" />',
1127 '<img class="smiley" src="' . $a->get_baseurl() . '/images/beer_mug.gif" alt=":homebrew" />',
1128 '<img class="smiley" src="' . $a->get_baseurl() . '/images/coffee.gif" alt=":coffee" />',
1129 '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-facepalm.gif" alt=":facepalm" />',
1130 '<img class="smiley" src="' . $a->get_baseurl() . '/images/like.gif" alt=":like" />',
1131 '<img class="smiley" src="' . $a->get_baseurl() . '/images/dislike.gif" alt=":dislike" />',
1132 '<a href="http://friendica.com">~friendica <img class="smiley" src="' . $a->get_baseurl() . '/images/friendica-16.png" alt="~friendica" /></a>',
1133 '<a href="http://friendica.com">red <img class="smiley" src="' . $a->get_baseurl() . '/images/rhash-16.png" alt="red" /></a>'
1136 $params = array('texts' => $texts, 'icons' => $icons, 'string' => $s);
1137 call_hooks('smilie', $params);
1140 $s = '<div class="smiley-sample">';
1141 for($x = 0; $x < count($params['texts']); $x ++) {
1142 $s .= '<dl><dt>' . $params['texts'][$x] . '</dt><dd>' . $params['icons'][$x] . '</dd></dl>';
1146 $params['string'] = preg_replace_callback('/<(3+)/','preg_heart',$params['string']);
1147 $s = str_replace($params['texts'],$params['icons'],$params['string']);
1150 $s = preg_replace_callback('/<pre>(.*?)<\/pre>/ism','smile_decode',$s);
1151 $s = preg_replace_callback('/<code>(.*?)<\/code>/ism','smile_decode',$s);
1157 function smile_encode($m) {
1158 return(str_replace($m[1],base64url_encode($m[1]),$m[0]));
1161 function smile_decode($m) {
1162 return(str_replace($m[1],base64url_decode($m[1]),$m[0]));
1167 * expand <3333 to the correct number of hearts
1172 function preg_heart($x) {
1174 if(strlen($x[1]) == 1)
1177 for($cnt = 0; $cnt < strlen($x[1]); $cnt ++)
1178 $t .= '<img class="smiley" src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />';
1179 $r = str_replace($x[0],$t,$x[0]);
1184 if(! function_exists('day_translate')) {
1186 * Translate days and months names
1191 function day_translate($s) {
1192 $ret = str_replace(array('Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'),
1193 array( t('Monday'), t('Tuesday'), t('Wednesday'), t('Thursday'), t('Friday'), t('Saturday'), t('Sunday')),
1196 $ret = str_replace(array('January','February','March','April','May','June','July','August','September','October','November','December'),
1197 array( t('January'), t('February'), t('March'), t('April'), t('May'), t('June'), t('July'), t('August'), t('September'), t('October'), t('November'), t('December')),
1204 if(! function_exists('normalise_link')) {
1208 * @param string $url
1211 function normalise_link($url) {
1212 $ret = str_replace(array('https:','//www.'), array('http:','//'), $url);
1213 return(rtrim($ret,'/'));
1218 if(! function_exists('link_compare')) {
1220 * Compare two URLs to see if they are the same, but ignore
1221 * slight but hopefully insignificant differences such as if one
1222 * is https and the other isn't, or if one is www.something and
1223 * the other isn't - and also ignore case differences.
1225 * @param string $a first url
1226 * @param string $b second url
1227 * @return boolean True if the URLs match, otherwise False
1230 function link_compare($a,$b) {
1231 if(strcasecmp(normalise_link($a),normalise_link($b)) === 0)
1237 if(! function_exists('redir_private_images')) {
1239 * Find any non-embedded images in private items and add redir links to them
1242 * @param array $item
1244 function redir_private_images($a, &$item) {
1247 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
1249 //logger("redir_private_images: matches = " . print_r($matches, true));
1250 foreach($matches as $mtch) {
1251 if(strpos($mtch[1], '/redir') !== false)
1254 if((local_user() == $item['uid']) && ($item['private'] != 0) && ($item['contact-id'] != $a->contact['id']) && ($item['network'] == NETWORK_DFRN)) {
1255 //logger("redir_private_images: redir");
1256 $img_url = $a->get_baseurl() . '/redir?f=1&quiet=1&url=' . $mtch[1] . '&conurl=' . $item['author-link'];
1257 $item['body'] = str_replace($mtch[0], "[img]".$img_url."[/img]", $item['body']);
1265 // Given an item array, convert the body element from bbcode to html and add smilie icons.
1266 // If attach is true, also add icons for item attachments
1268 if(! function_exists('prepare_body')) {
1270 * Given an item array, convert the body element from bbcode to html and add smilie icons.
1271 * If attach is true, also add icons for item attachments
1273 * @param array $item
1274 * @param boolean $attach
1275 * @return string item body html
1276 * @hook prepare_body_init item array before any work
1277 * @hook prepare_body ('item'=>item array, 'html'=>body string) after first bbcode to html
1278 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
1280 function prepare_body(&$item,$attach = false) {
1283 call_hooks('prepare_body_init', $item);
1285 $searchpath = $a->get_baseurl()."/search?tag=";
1288 $hashtags = array();
1289 $mentions = array();
1291 if (!get_config('system','suppress_tags')) {
1292 $taglist = q("SELECT `type`, `term`, `url` FROM `term` WHERE `otype` = %d AND `oid` = %d AND `type` IN (%d, %d) ORDER BY `tid`",
1293 intval(TERM_OBJ_POST), intval($item['id']), intval(TERM_HASHTAG), intval(TERM_MENTION));
1295 foreach($taglist as $tag) {
1297 if ($tag["url"] == "")
1298 $tag["url"] = $searchpath.strtolower($tag["term"]);
1300 if ($tag["type"] == TERM_HASHTAG) {
1301 $hashtags[] = "#<a href=\"".$tag["url"]."\" target=\"external-link\">".$tag["term"]."</a>";
1303 } elseif ($tag["type"] == TERM_MENTION) {
1304 $mentions[] = "@<a href=\"".$tag["url"]."\" target=\"external-link\">".$tag["term"]."</a>";
1307 $tags[] = $prefix."<a href=\"".$tag["url"]."\" target=\"external-link\">".$tag["term"]."</a>";
1311 $item['tags'] = $tags;
1312 $item['hashtags'] = $hashtags;
1313 $item['mentions'] = $mentions;
1316 //$cachefile = get_cachefile($item["guid"]."-".strtotime($item["edited"])."-".hash("crc32", $item['body']));
1317 $cachefile = get_cachefile($item["guid"]."-".hash("md5", $item['body']));
1319 if (($cachefile != '')) {
1320 if (file_exists($cachefile)) {
1321 $stamp1 = microtime(true);
1322 $s = file_get_contents($cachefile);
1323 $a->save_timestamp($stamp1, "file");
1325 redir_private_images($a, $item);
1326 $s = prepare_text($item['body']);
1328 $stamp1 = microtime(true);
1329 file_put_contents($cachefile, $s);
1330 $a->save_timestamp($stamp1, "file");
1332 logger('prepare_body: put item '.$item["id"].' into cachefile '.$cachefile);
1335 redir_private_images($a, $item);
1336 $s = prepare_text($item['body']);
1340 $prep_arr = array('item' => $item, 'html' => $s);
1341 call_hooks('prepare_body', $prep_arr);
1342 $s = $prep_arr['html'];
1345 // Replace the blockquotes with quotes that are used in mails
1346 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
1347 $s = str_replace(array('<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'), array($mailquote, $mailquote, $mailquote), $s);
1353 $arr = explode('[/attach],',$item['attach']);
1355 $as .= '<div class="body-attach">';
1356 foreach($arr as $r) {
1359 $cnt = preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"|',$r,$matches, PREG_SET_ORDER);
1361 foreach($matches as $mtch) {
1364 if((local_user() == $item['uid']) && ($item['contact-id'] != $a->contact['id']) && ($item['network'] == NETWORK_DFRN))
1365 $the_url = $a->get_baseurl() . '/redir/' . $item['contact-id'] . '?f=1&url=' . $mtch[1];
1367 $the_url = $mtch[1];
1369 if(strpos($mime, 'video') !== false) {
1372 $a->page['htmlhead'] .= replace_macros(get_markup_template('videos_head.tpl'), array(
1373 '$baseurl' => $a->get_baseurl(),
1375 $a->page['end'] .= replace_macros(get_markup_template('videos_end.tpl'), array(
1376 '$baseurl' => $a->get_baseurl(),
1380 $id = end(explode('/', $the_url));
1381 $as .= replace_macros(get_markup_template('video_top.tpl'), array(
1384 'title' => t('View Video'),
1391 $filetype = strtolower(substr( $mime, 0, strpos($mime,'/') ));
1393 $filesubtype = strtolower(substr( $mime, strpos($mime,'/') + 1 ));
1394 $filesubtype = str_replace('.', '-', $filesubtype);
1398 $filesubtype = 'unkn';
1401 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
1402 /*$icontype = strtolower(substr($mtch[3],0,strpos($mtch[3],'/')));
1408 $icon = '<div class="attachtype icon s22 type-' . $icontype . '"></div>';
1411 $icon = '<div class="attachtype icon s22 type-unkn"></div>';
1415 $title = ((strlen(trim($mtch[4]))) ? escape_tags(trim($mtch[4])) : escape_tags($mtch[1]));
1416 $title .= ' ' . $mtch[2] . ' ' . t('bytes');
1418 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="external-link" >' . $icon . '</a>';
1422 $as .= '<div class="clear"></div></div>';
1428 $spoilersearch = '<blockquote class="spoiler">';
1430 // Remove line breaks before the spoiler
1431 while ((strpos($s, "\n".$spoilersearch) !== false))
1432 $s = str_replace("\n".$spoilersearch, $spoilersearch, $s);
1433 while ((strpos($s, "<br />".$spoilersearch) !== false))
1434 $s = str_replace("<br />".$spoilersearch, $spoilersearch, $s);
1436 while ((strpos($s, $spoilersearch) !== false)) {
1438 $pos = strpos($s, $spoilersearch);
1439 $rnd = random_string(8);
1440 $spoilerreplace = '<br /> <span id="spoiler-wrap-'.$rnd.'" style="white-space:nowrap;" class="fakelink" onclick="openClose(\'spoiler-'.$rnd.'\');">'.sprintf(t('Click to open/close')).'</span>'.
1441 '<blockquote class="spoiler" id="spoiler-'.$rnd.'" style="display: none;">';
1442 $s = substr($s, 0, $pos).$spoilerreplace.substr($s, $pos+strlen($spoilersearch));
1445 // Look for quote with author
1446 $authorsearch = '<blockquote class="author">';
1448 while ((strpos($s, $authorsearch) !== false)) {
1450 $pos = strpos($s, $authorsearch);
1451 $rnd = random_string(8);
1452 $authorreplace = '<br /> <span id="author-wrap-'.$rnd.'" style="white-space:nowrap;" class="fakelink" onclick="openClose(\'author-'.$rnd.'\');">'.sprintf(t('Click to open/close')).'</span>'.
1453 '<blockquote class="author" id="author-'.$rnd.'" style="display: block;">';
1454 $s = substr($s, 0, $pos).$authorreplace.substr($s, $pos+strlen($authorsearch));
1457 $prep_arr = array('item' => $item, 'html' => $s);
1458 call_hooks('prepare_body_final', $prep_arr);
1460 return $prep_arr['html'];
1464 if(! function_exists('prepare_text')) {
1466 * Given a text string, convert from bbcode to html and add smilie icons.
1468 * @param string $text
1471 function prepare_text($text) {
1473 require_once('include/bbcode.php');
1475 if(stristr($text,'[nosmile]'))
1478 $s = smilies(bbcode($text));
1486 * return array with details for categories and folders for an item
1488 * @param array $item
1492 * [ // categories array
1494 * 'name': 'category name',
1495 * 'removeurl': 'url to remove this category',
1496 * 'first': 'is the first in this array? true/false',
1497 * 'last': 'is the last in this array? true/false',
1503 * 'name': 'folder name',
1504 * 'removeurl': 'url to remove this folder',
1505 * 'first': 'is the first in this array? true/false',
1506 * 'last': 'is the last in this array? true/false',
1512 function get_cats_and_terms($item) {
1515 $categories = array();
1518 $matches = false; $first = true;
1519 $cnt = preg_match_all('/<(.*?)>/',$item['file'],$matches,PREG_SET_ORDER);
1521 foreach($matches as $mtch) {
1522 $categories[] = array(
1523 'name' => xmlify(file_tag_decode($mtch[1])),
1525 'removeurl' => ((local_user() == $item['uid'])?$a->get_baseurl() . '/filerm/' . $item['id'] . '?f=&cat=' . xmlify(file_tag_decode($mtch[1])):""),
1532 if (count($categories)) $categories[count($categories)-1]['last'] = true;
1535 if(local_user() == $item['uid']) {
1536 $matches = false; $first = true;
1537 $cnt = preg_match_all('/\[(.*?)\]/',$item['file'],$matches,PREG_SET_ORDER);
1539 foreach($matches as $mtch) {
1541 'name' => xmlify(file_tag_decode($mtch[1])),
1543 'removeurl' => ((local_user() == $item['uid'])?$a->get_baseurl() . '/filerm/' . $item['id'] . '?f=&term=' . xmlify(file_tag_decode($mtch[1])):""),
1552 if (count($folders)) $folders[count($folders)-1]['last'] = true;
1554 return array($categories, $folders);
1559 if(! function_exists('feed_hublinks')) {
1561 * return atom link elements for all of our hubs
1562 * @return string hub link xml elements
1564 function feed_hublinks() {
1566 $hub = get_config('system','huburl');
1570 $hubs = explode(',', $hub);
1572 foreach($hubs as $h) {
1576 if ($h === '[internal]')
1577 $h = $a->get_baseurl() . '/pubsubhubbub';
1578 $hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ;
1586 if(! function_exists('feed_salmonlinks')) {
1588 * return atom link elements for salmon endpoints
1589 * @param string $nick user nickname
1590 * @return string salmon link xml elements
1592 function feed_salmonlinks($nick) {
1596 $salmon = '<link rel="salmon" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
1598 // old style links that status.net still needed as of 12/2010
1600 $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-replies" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
1601 $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-mention" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
1605 if(! function_exists('get_plink')) {
1607 * get private link for item
1608 * @param array $item
1609 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
1611 function get_plink($item) {
1613 if (x($item,'plink') && ($item['private'] != 1)) {
1615 'href' => $item['plink'],
1616 'title' => t('link to source'),
1624 if(! function_exists('unamp')) {
1626 * replace html amp entity with amp char
1630 function unamp($s) {
1631 return str_replace('&', '&', $s);
1637 if(! function_exists('lang_selector')) {
1639 * get html for language selector
1640 * @global string $lang
1642 * @template lang_selector.tpl
1644 function lang_selector() {
1647 $langs = glob('view/*/strings.php');
1649 $lang_options = array();
1652 if(is_array($langs) && count($langs)) {
1654 if(! in_array('view/en/strings.php',$langs))
1655 $langs[] = 'view/en/';
1657 foreach($langs as $l) {
1659 $lang_options[""] = t('default');
1663 $ll = substr($ll,0,strrpos($ll,'/'));
1664 $selected = (($ll === $lang && (x($_SESSION, 'language'))) ? $ll : $selected);
1665 $lang_options[$ll]=$ll;
1669 $tpl = get_markup_template("lang_selector.tpl");
1670 $o = replace_macros($tpl, array(
1671 '$title' => t('Select an alternate language'),
1672 '$langs' => array($lang_options, $selected),
1679 if(! function_exists('return_bytes')) {
1681 * return number of bytes in size (K, M, G)
1682 * @param string $size_str
1685 function return_bytes ($size_str) {
1686 switch (substr ($size_str, -1))
1688 case 'M': case 'm': return (int)$size_str * 1048576;
1689 case 'K': case 'k': return (int)$size_str * 1024;
1690 case 'G': case 'g': return (int)$size_str * 1073741824;
1691 default: return $size_str;
1698 function generate_user_guid() {
1701 $guid = random_string(16);
1702 $x = q("SELECT `uid` FROM `user` WHERE `guid` = '%s' LIMIT 1",
1707 } while ($found == true );
1714 * @param boolean $strip_padding
1717 function base64url_encode($s, $strip_padding = false) {
1719 $s = strtr(base64_encode($s),'+/','-_');
1722 $s = str_replace('=','',$s);
1731 function base64url_decode($s) {
1734 logger('base64url_decode: illegal input: ' . print_r(debug_backtrace(), true));
1739 * // Placeholder for new rev of salmon which strips base64 padding.
1740 * // PHP base64_decode handles the un-padded input without requiring this step
1741 * // Uncomment if you find you need it.
1744 * if(! strpos($s,'=')) {
1754 return base64_decode(strtr($s,'-_','+/'));
1758 if (!function_exists('str_getcsv')) {
1762 * @param string $input
1763 * @param string $delimiter
1764 * @param string $enclosure
1765 * @param string $escape
1766 * @param string $eol
1767 * @return boolean|array False on error, otherwise array[row][column]
1769 function str_getcsv($input, $delimiter = ',', $enclosure = '"', $escape = '\\', $eol = '\n') {
1770 if (is_string($input) && !empty($input)) {
1772 $tmp = preg_split("/".$eol."/",$input);
1773 if (is_array($tmp) && !empty($tmp)) {
1774 while (list($line_num, $line) = each($tmp)) {
1775 if (preg_match("/".$escape.$enclosure."/",$line)) {
1776 while ($strlen = strlen($line)) {
1777 $pos_delimiter = strpos($line,$delimiter);
1778 $pos_enclosure_start = strpos($line,$enclosure);
1780 is_int($pos_delimiter) && is_int($pos_enclosure_start)
1781 && ($pos_enclosure_start < $pos_delimiter)
1783 $enclosed_str = substr($line,1);
1784 $pos_enclosure_end = strpos($enclosed_str,$enclosure);
1785 $enclosed_str = substr($enclosed_str,0,$pos_enclosure_end);
1786 $output[$line_num][] = $enclosed_str;
1787 $offset = $pos_enclosure_end+3;
1789 if (empty($pos_delimiter) && empty($pos_enclosure_start)) {
1790 $output[$line_num][] = substr($line,0);
1791 $offset = strlen($line);
1793 $output[$line_num][] = substr($line,0,$pos_delimiter);
1795 !empty($pos_enclosure_start)
1796 && ($pos_enclosure_start < $pos_delimiter)
1798 ?$pos_enclosure_start
1802 $line = substr($line,$offset);
1805 $line = preg_split("/".$delimiter."/",$line);
1808 * Validating against pesky extra line breaks creating false rows.
1810 if (is_array($line) && !empty($line[0])) {
1811 $output[$line_num] = $line;
1826 * return div element with class 'clear'
1830 function cleardiv() {
1831 return '<div class="clear"></div>';
1835 function bb_translate_video($s) {
1838 $r = preg_match_all("/\[video\](.*?)\[\/video\]/ism",$s,$matches,PREG_SET_ORDER);
1840 foreach($matches as $mtch) {
1841 if((stristr($mtch[1],'youtube')) || (stristr($mtch[1],'youtu.be')))
1842 $s = str_replace($mtch[0],'[youtube]' . $mtch[1] . '[/youtube]',$s);
1843 elseif(stristr($mtch[1],'vimeo'))
1844 $s = str_replace($mtch[0],'[vimeo]' . $mtch[1] . '[/vimeo]',$s);
1850 function html2bb_video($s) {
1852 $s = preg_replace('#<object[^>]+>(.*?)https?://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+)(.*?)</object>#ism',
1853 '[youtube]$2[/youtube]', $s);
1855 $s = preg_replace('#<iframe[^>](.*?)https?://www.youtube.com/embed/([A-Za-z0-9\-_=]+)(.*?)</iframe>#ism',
1856 '[youtube]$2[/youtube]', $s);
1858 $s = preg_replace('#<iframe[^>](.*?)https?://player.vimeo.com/video/([0-9]+)(.*?)</iframe>#ism',
1859 '[vimeo]$2[/vimeo]', $s);
1865 * apply xmlify() to all values of array $val, recursively
1869 function array_xmlify($val){
1870 if (is_bool($val)) return $val?"true":"false";
1871 if (is_array($val)) return array_map('array_xmlify', $val);
1872 return xmlify((string) $val);
1877 * transorm link href and img src from relative to absolute
1879 * @param string $text
1880 * @param string $base base url
1883 function reltoabs($text, $base)
1888 $base = rtrim($base,'/');
1890 $base2 = $base . "/";
1893 $pattern = "/<a([^>]*) href=\"(?!http|https|\/)([^\"]*)\"/";
1894 $replace = "<a\${1} href=\"" . $base2 . "\${2}\"";
1895 $text = preg_replace($pattern, $replace, $text);
1897 $pattern = "/<a([^>]*) href=\"(?!http|https)([^\"]*)\"/";
1898 $replace = "<a\${1} href=\"" . $base . "\${2}\"";
1899 $text = preg_replace($pattern, $replace, $text);
1902 $pattern = "/<img([^>]*) src=\"(?!http|https|\/)([^\"]*)\"/";
1903 $replace = "<img\${1} src=\"" . $base2 . "\${2}\"";
1904 $text = preg_replace($pattern, $replace, $text);
1906 $pattern = "/<img([^>]*) src=\"(?!http|https)([^\"]*)\"/";
1907 $replace = "<img\${1} src=\"" . $base . "\${2}\"";
1908 $text = preg_replace($pattern, $replace, $text);
1916 * get translated item type
1918 * @param array $itme
1921 function item_post_type($item) {
1922 if(intval($item['event-id']))
1924 if(strlen($item['resource-id']))
1926 if(strlen($item['verb']) && $item['verb'] !== ACTIVITY_POST)
1927 return t('activity');
1928 if($item['id'] != $item['parent'])
1929 return t('comment');
1933 // post categories and "save to file" use the same item.file table for storage.
1934 // We will differentiate the different uses by wrapping categories in angle brackets
1935 // and save to file categories in square brackets.
1936 // To do this we need to escape these characters if they appear in our tag.
1938 function file_tag_encode($s) {
1939 return str_replace(array('<','>','[',']'),array('%3c','%3e','%5b','%5d'),$s);
1942 function file_tag_decode($s) {
1943 return str_replace(array('%3c','%3e','%5b','%5d'),array('<','>','[',']'),$s);
1946 function file_tag_file_query($table,$s,$type = 'file') {
1949 $str = preg_quote( '[' . str_replace('%','%%',file_tag_encode($s)) . ']' );
1951 $str = preg_quote( '<' . str_replace('%','%%',file_tag_encode($s)) . '>' );
1952 return " AND " . (($table) ? dbesc($table) . '.' : '') . "file regexp '" . dbesc($str) . "' ";
1955 // ex. given music,video return <music><video> or [music][video]
1956 function file_tag_list_to_file($list,$type = 'file') {
1959 $list_array = explode(",",$list);
1960 if($type == 'file') {
1969 foreach($list_array as $item) {
1971 $tag_list .= $lbracket . file_tag_encode(trim($item)) . $rbracket;
1978 // ex. given <music><video>[friends], return music,video or friends
1979 function file_tag_file_to_list($file,$type = 'file') {
1982 if($type == 'file') {
1983 $cnt = preg_match_all('/\[(.*?)\]/',$file,$matches,PREG_SET_ORDER);
1986 $cnt = preg_match_all('/<(.*?)>/',$file,$matches,PREG_SET_ORDER);
1989 foreach($matches as $mtch) {
1992 $list .= file_tag_decode($mtch[1]);
1999 function file_tag_update_pconfig($uid,$file_old,$file_new,$type = 'file') {
2000 // $file_old - categories previously associated with an item
2001 // $file_new - new list of categories for an item
2006 if($file_old == $file_new)
2009 $saved = get_pconfig($uid,'system','filetags');
2010 if(strlen($saved)) {
2011 if($type == 'file') {
2020 $filetags_updated = $saved;
2022 // check for new tags to be added as filetags in pconfig
2023 $new_tags = array();
2024 $check_new_tags = explode(",",file_tag_file_to_list($file_new,$type));
2026 foreach($check_new_tags as $tag) {
2027 if(! stristr($saved,$lbracket . file_tag_encode($tag) . $rbracket))
2031 $filetags_updated .= file_tag_list_to_file(implode(",",$new_tags),$type);
2033 // check for deleted tags to be removed from filetags in pconfig
2034 $deleted_tags = array();
2035 $check_deleted_tags = explode(",",file_tag_file_to_list($file_old,$type));
2037 foreach($check_deleted_tags as $tag) {
2038 if(! stristr($file_new,$lbracket . file_tag_encode($tag) . $rbracket))
2039 $deleted_tags[] = $tag;
2042 foreach($deleted_tags as $key => $tag) {
2043 $r = q("select file from item where uid = %d " . file_tag_file_query('item',$tag,$type),
2048 unset($deleted_tags[$key]);
2051 $filetags_updated = str_replace($lbracket . file_tag_encode($tag) . $rbracket,'',$filetags_updated);
2055 if($saved != $filetags_updated) {
2056 set_pconfig($uid,'system','filetags', $filetags_updated);
2061 if(strlen($file_new)) {
2062 set_pconfig($uid,'system','filetags', $file_new);
2067 function file_tag_save_file($uid,$item,$file) {
2071 $r = q("select file from item where id = %d and uid = %d limit 1",
2076 if(! stristr($r[0]['file'],'[' . file_tag_encode($file) . ']'))
2077 q("update item set file = '%s' where id = %d and uid = %d limit 1",
2078 dbesc($r[0]['file'] . '[' . file_tag_encode($file) . ']'),
2082 $saved = get_pconfig($uid,'system','filetags');
2083 if((! strlen($saved)) || (! stristr($saved,'[' . file_tag_encode($file) . ']')))
2084 set_pconfig($uid,'system','filetags',$saved . '[' . file_tag_encode($file) . ']');
2085 info( t('Item filed') );
2090 function file_tag_unsave_file($uid,$item,$file,$cat = false) {
2096 $pattern = '<' . file_tag_encode($file) . '>' ;
2098 $pattern = '[' . file_tag_encode($file) . ']' ;
2101 $r = q("select file from item where id = %d and uid = %d limit 1",
2108 q("update item set file = '%s' where id = %d and uid = %d limit 1",
2109 dbesc(str_replace($pattern,'',$r[0]['file'])),
2114 $r = q("select file from item where uid = %d and deleted = 0 " . file_tag_file_query('item',$file,(($cat) ? 'category' : 'file')),
2119 $saved = get_pconfig($uid,'system','filetags');
2120 set_pconfig($uid,'system','filetags',str_replace($pattern,'',$saved));
2126 function normalise_openid($s) {
2127 return trim(str_replace(array('http://','https://'),array('',''),$s),'/');
2131 function undo_post_tagging($s) {
2133 $cnt = preg_match_all('/([@#])\[url=(.*?)\](.*?)\[\/url\]/ism',$s,$matches,PREG_SET_ORDER);
2135 foreach($matches as $mtch) {
2136 $s = str_replace($mtch[0], $mtch[1] . $mtch[3],$s);
2142 function fix_mce_lf($s) {
2143 $s = str_replace("\r\n","\n",$s);
2144 // $s = str_replace("\n\n","\n",$s);
2149 function protect_sprintf($s) {
2150 return(str_replace('%','%%',$s));
2154 function is_a_date_arg($s) {
2158 if($i <= $y+1 && strpos($s,'-') == 4) {
2159 $m = intval(substr($s,5));
2160 if($m > 0 && $m <= 12)